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Finding the Fourth Proportional to 539.85, 810.29 and 296.04

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Solution

The fourth proportional to 539.85, 810.29 and 296.04 is: 444.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.85 : 810.29 = 296.04 : x
  2. Step 2: Convert to fraction form
    539.85/810.29 = 296.04/x
  3. Step 3: Cross multiply
    539.85x = 810.29 × 296.04
  4. Step 4: Simplify right side
    539.85x = 239,878.25
  5. Step 5: Solve for x
    x = 239,878.25/539.85
  6. Step 6: Final answer
    x = 444.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.